SiS Protein Bars contain a blend of easily digestible proteins (20 grams per bar) in the form of whey, casein and soy protein It is important to consume protein in close proximity to training sessions (i.e. before or after training) in order to maximize training adaptations Protein intake is often overlooked by endurance athletes so this convenient bar option can help provide an appropriate quantity of high quality protein for before or immediately post exercise Adapting to the demands of endurance training is facilitated by increased muscle protein synthesis whereby new proteins are made in our muscles after each training session The muscle becomes reconditioned so that it can better withstand the physical demands during the next training session SiS Protein Bars contain a blend of easily digestible, quality proteins that act as a trigger to stimulate protein synthesis Contains Peanuts, Milk, Soya, Gluten Informed Sport Registered: Produced in an Informed Sport accredited facility to provide complete confidence for athletes